Which size or configuration labels have geometry for the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2?

Geometry is listed for 49, 52, 54, 56, 58, 61, and 64.

What are the reach and stack of the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2 in size 56?

In size 56, reach is 387 mm and stack is 589 mm.

What is the head tube angle of the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2?

The head tube angle is 72.5 degrees in size 56.

What does the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2 ship with?

The stock build includes Specialized SL4 FACT, Shimano 785 Di2, Roval Rapide CL 40 SCS, and Shimano 785.

Which years of the Specialized Roubaix are on Quiver?

Quiver has the Specialized Roubaix for 2015, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2014, 2012, 2011, 2010, 2009, 2008, and 2007.

2015 Specialized Roubaix SL4 Pro Disc Race UDi2 geometry and specs

Key facts

Brand: Specialized
Model: Roubaix
Model year: 2015
Frame: SL4 Pro Disc Race UDi2
Type: Road
Geometry labels: 49, 52, 54, 56, 58, 61, and 64
Drivetrain: Shimano Ultegra Di2
Wheels: Roval Rapide CL 40 SCS
Geometry: Complete for every size
Source: specialized.com
Checked: Oct 22, 2026

Geometry by size

Geometry drawing, size 56, to scale.

2015 Specialized Roubaix SL4 Pro Disc Race UDi2 geometry by size
Measurement	49	52	54	56	58	61	64
Reach(mm)	378	379	380	387	392	398	409
Stack(mm)	527	546	563	589	621	642	656
Head tube angle(°)	72	72	72	72.5	72.5	73	73
Seat tube angle(°)	75.5	74	73.5	73.25	73	72.5	72.5
Effective top tube(mm)	518	537	548	565	582	600	615
Chainstay length(mm)	412	412	415	415	418	420	420
Wheelbase(mm)	983	989	1000	1010	1029	1038	1054
BB drop(mm)	73	73	71.5	71.5	70	70	70
Standover(mm)	730	756	776	798	829	851	852
Seat tube length(mm)	445	475	495	515	540	565	600
Head tube length(mm)	125	145	165	190	225	245	260

How to read a geometry chart

Stock build

10 parts

Frame

Specialized SL4 FACT

Frame

Drivetrain

Shimano 785 Di2

ShifterSpeeds 11

Shimano Ultegra Di2

DerailleurMount type front

Shimano Ultegra

CassetteSpeeds 11Range 11-28

Shimano Ultegra

Chain

Wheels & Tires

Roval Rapide CL 40 SCS

Wheelset

Specialized Turbo Pro

TireTPI 127 TPI

Brakes

Shimano 785

BrakeBrake type hydraulic disc

Seatpost & Saddle

Specialized CG-R

Seatpost

Specialized Toupe Expert

Saddle

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Manufacturer

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Quick answers

Which size or configuration labels have geometry for the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2?: Geometry is listed for 49, 52, 54, 56, 58, 61, and 64.
What are the reach and stack of the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2 in size 56?: In size 56, reach is 387 mm and stack is 589 mm.
What is the head tube angle of the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2?: The head tube angle is 72.5 degrees in size 56.
What does the 2015 Specialized Roubaix SL4 Pro Disc Race UDi2 ship with?: The stock build includes Specialized SL4 FACT, Shimano 785 Di2, Roval Rapide CL 40 SCS, and Shimano 785.
Which years of the Specialized Roubaix are on Quiver?: Quiver has the Specialized Roubaix for 2015, 2027, 2026, 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2014, 2012, 2011, 2010, 2009, 2008, and 2007.